If you experience any of the following you should go to the nearest hospital emergency department as soon as possible: 1  Heavy bleeding (soaking two pads every hour and/or passing golf ball sized clots) 2  Severe abdominal pain or shoulder pain. 3  Fever or chills. 4  Dizziness or fainting. 5  Vaginal discharge that smells unpleasant.
One of the most famous emission nebulae is the Orion Nebula (M42) located just below Orionâs belt. Another common type of emission nebula is a planetary nebula. These objects consist of a central white dwarf star surrounded by clouds of gas released as the original star evolved to the white dwarf phase.
The Carina Nebula, a large, bright emission nebula. Image Credit: ESO. The Carina Nebula (also known as NGC 3372, the Great Nebula in Carina and the Eta Carinae Nebula) is a large, bright emission nebula of about 260 light-years across, located roughly 7,500 light-years away from Earth in the CarinaâSagittarius Arm of our Milky Way Galaxy, in the southern constellation of Carina (the Keel).